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Journal of Enhanced Heat Transfer

Publication de 8  numéros par an

ISSN Imprimer: 1065-5131

ISSN En ligne: 1563-5074

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 2.3 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 1.8 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.2 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00037 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.6 SJR: 0.433 SNIP: 0.593 CiteScore™:: 4.3 H-Index: 35

Indexed in

Enhancement of Evaporation of a Liquid Droplet using EHD Effect: Criteria for Instability of Gas-Liquid Interface Under Electric Field

Volume 3, Numéro 1, 1996, pp. 73-81
DOI: 10.1615/JEnhHeatTransf.v3.i1.60
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RÉSUMÉ

It was confirmed, in the preceding study, that an evaporation of a liquid droplet on a heated surface was enhanced to a great extent by applying an electric field. Visual observation of the evaporation process indicated that small columns of the liquid were formed underneath the bottom of the droplet, causing direct contact between the liquid and the solid surface. The direct contact underneath the bottom of the droplet was considered to be induced by the interfacial instability due to the electric field. In the present study, an experiment was carried out to clarify the mechanism that an electric field induced the instability of a liquid surface. The static electric voltage was applied between the liquid surface and a horizontal planer electrode placed over the surface. The applied voltage was raised gradually until the liquid surface became unstable. The threshold voltages were measured for different distances between the electrode and the liquid surface and for different liquids. The test liquids used in the experiment were water, ethanol, refrigerant Rl 13, carbon tetrachloride and cyclohexane. The visual observation of the process leading to destabilization of the liquid surfaces was performed using a high-speed video facility. Criteria for the onset of instability were derived analytically using a modified Rayleigh-Taylor instability equation, finding that the theoretical results agreed very well with the experimental data. In addition, the temperature of the heat transfer surface above which the drop evaporation was enhanced was predicted using the result of the instability analysis.

CITÉ PAR
  1. Eckert E.R.G., Goldstein R.J., Ibele W.E., Simon T.W., Kuehn T.H., Strykowski P.J., Tamma K.K., Bar-Cohen A., Heberlein J.V.R., Davidson J.H., Bischof J., Kulacki F., Kortshagen U., Heat transfer — a review of 1996 literature, International Journal of Heat and Mass Transfer, 43, 8, 2000. Crossref

  2. Vancauwenberghe V., Di Marco P., Brutin D., Wetting and evaporation of a sessile drop under an external electrical field: A review, Colloids and Surfaces A: Physicochemical and Engineering Aspects, 432, 2013. Crossref

  3. Chen Longquan, Bonaccurso Elmar, Electrowetting — From statics to dynamics, Advances in Colloid and Interface Science, 210, 2014. Crossref

  4. Saha Sujoy Kumar, Ranjan Hrishiraj, Emani Madhu Sruthi, Bharti Anand Kumar, Enhancement of Two-Phase Flow Using EHD Technique, in Electric Fields, Additives and Simultaneous Heat and Mass Transfer in Heat Transfer Enhancement, 2020. Crossref

  5. Ozkan Onur, Bahadur Vaibhav, Heat transfer enhancement associated with electrostatic suppression of Leidenfrost droplets, International Journal of Heat and Mass Transfer, 149, 2020. Crossref

  6. Ozkan Onur, Bahadur Vaibhav, Electrohydrodynamic analysis of bubble burst in large Leidenfrost droplets, Physics of Fluids, 32, 12, 2020. Crossref

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